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Doss [256]
3 years ago
8

Write two addition sentences where the sum is zero.

Mathematics
1 answer:
lions [1.4K]3 years ago
4 0
An example of two addition sentences where the sum is the zero might be 0+0=0 5+(-5)=0 In this example a negative plus a positive equals 0.
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A car rental company rents a car for $52 per day and $0.15 per mile .whats the rental fee for a car thats rented for 3 days and
Sliva [168]

186. Multiply 52*3. Then multiply 200*0.15. Then add

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3 years ago
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Tony has $20. He wants to buy at least 4
zavuch27 [327]

Tony has $20. He wants to buy at least 4

snacks. Hot dogs (x) are $3 each.

Peanuts (y) are $2 each.​

Answer:

To solve the above question, we use the below inequality equations

x + y ≥ 4 snacks .........Inequality equation 1

3x + 2y ≤ $20 ..........Inequality equation 2

Step-by-step explanation:

We can make use of the inequality equations

Hot dogs = (x) are $3 each.

Peanuts = (y) are $2 each.​

He wants to buy at least 4

x + y ≥ 4 snacks .........Inequality equation 1

3x + 2y ≤ $20 ..........Inequality equation 2

From the above inequality equations, Tony can buy at least 4 snacks but he can only spend $20.

Let take a random number, where x = 4, and y = 4. This means Tony can buy

a) 4($3) + 4($2) = 12 + 8 = $20

The total number of snacks = 4 + 4 = 8 snacks.

b)

This answer above confirms the inequality equations 1 and 2

x + y ≥ 4 snacks .........Inequality equation 1

8 snacks ≥ 4 snacks

3x + 2y ≤ $20 ..........Inequality equation 2

$20 ≤ $20

6 0
3 years ago
For the expression: 4(2x-3) simplified I know it is 8x-12.
hram777 [196]
When simplifying an expression, you collect and simplify all the like terms. Since 8x and -12 aren’t like terms, you can’t substract 8-12
8 0
3 years ago
You have fallen down a slippery well 10 feet deep. every hour you are able to climb 2 feet out of the well, but then slip down 1
mylen [45]
If every over you climb 2 feet out, but then slip down 1, that means you technically only go up the well 1 ft/per hour. Then, if its 10 ft deep, then it would take you 10 hours.
8 0
3 years ago
(a + b)² = a² + 2ab + b2 with step by step explanation​
Dahasolnce [82]

Step-by-step explanation:

Given: (a+b)²

To prove: (a+b)² = a² + 2ab + b²

Proof:-

(a+b)² = (a+b)(a+b)

(a+b)²=a(a+b)+b(a+b)

(a+b)² = a²+ab+ab+b²

(a+b)² = a²+2ab+b².

3 0
3 years ago
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